fwminex: +grafana

flake.nix

@@ -209,6 +209,7 @@
                 sasl-passwd.file = ./secrets/postfix_sasl_passwd.age;
                 headscale-client-oidc.file = ./secrets/headscale/oidc_client_secret2.age;
                 borgbackup-password.file = ./secrets/fwminex/borgbackup-password.age;
+                grafana-oidc.file = ./secrets/grafana.jakstys.lt/oidc.age;
                 photoprism-admin-passwd.file = ./secrets/photoprism/admin_password.age;
                 syncthing-key.file = ./secrets/fwminex/syncthing/key.pem.age;
                 syncthing-cert.file = ./secrets/fwminex/syncthing/cert.pem.age;

hosts/fwminex/configuration.nix

@@ -131,6 +131,7 @@ in
           }
         ];
     };
+
   };
 
   mj = {
@@ -155,6 +156,12 @@ in
       sshguard.enable = false;
       gitea.enable = true;
 
+      grafana = {
+        enable = true;
+        port = myData.ports.grafana;
+        oidcSecretFile = config.age.secrets.grafana-oidc.path;
+      };
+
       tailscale = {
         enable = true;
         verboseLogs = false;

modules/services/default.nix

@@ -7,6 +7,7 @@
     ./deployerbot
     ./friendlyport
     ./gitea
+    ./grafana
     ./hass
     ./headscale
     ./jakstpub

modules/services/grafana/default.nix

@@ -0,0 +1,70 @@
+{ config, lib, ... }:
+let
+  cfg = config.mj.services.grafana;
+in
+{
+  options.mj.services.grafana = with lib.types; {
+    enable = lib.mkEnableOption "enable grafana";
+    port = lib.mkOption { type = port; };
+    oidcSecretFile = lib.mkOption { type = str; };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.grafana = {
+      enable = true;
+      provision = {
+        enable = true;
+        datasources.settings = {
+          apiVersion = 1;
+          datasources = [
+            {
+              name = "Prometheus";
+              type = "prometheus";
+              access = "proxy";
+              url = "http://127.0.0.1:${toString config.services.prometheus.port}";
+              isDefault = true;
+              jsonData.timeInterval = "10s";
+            }
+          ];
+        };
+      };
+      settings = {
+        paths.logs = "/var/log/grafana";
+        server = {
+          domain = "grafana.jakstys.lt";
+          root_url = "http://grafana.jakstys.lt";
+          enable_gzip = true;
+          http_addr = "0.0.0.0";
+          http_port = cfg.port;
+        };
+        users.auto_assign_org = true;
+        users.auto_assign_org_role = "Editor";
+
+        # https://github.com/grafana/grafana/issues/70203#issuecomment-1612823390
+        auth.oauth_allow_insecure_email_lookup = true;
+
+        "auth.generic_oauth" = {
+          enabled = true;
+          auto_login = true;
+          client_id = "5349c113-467d-4b95-a61b-264f2d844da8";
+          client_secret = "$__file{/run/grafana/oidc-secret}";
+          auth_url = "https://git.jakstys.lt/login/oauth/authorize";
+          api_url = "https://git.jakstys.lt/login/oauth/userinfo";
+          token_url = "https://git.jakstys.lt/login/oauth/access_token";
+        };
+        feature_toggles.accessTokenExpirationCheck = true;
+      };
+    };
+
+    systemd.services.grafana = {
+      preStart = "ln -sf $CREDENTIALS_DIRECTORY/oidc /run/grafana/oidc-secret";
+      serviceConfig = {
+        LogsDirectory = "grafana";
+        RuntimeDirectory = "grafana";
+        LoadCredential = [ "oidc:${cfg.oidcSecretFile}" ];
+      };
+    };
+
+  };
+
+}

secrets.nix

@@ -32,7 +32,6 @@ in
 { }
 // mk ([ vno1-oh2 ] ++ motiejus) [
   "secrets/vno1-oh2/borgbackup/password.age"
-  "secrets/grafana.jakstys.lt/oidc.age"
   "secrets/letsencrypt/account.key.age"
   "secrets/vaultwarden/secrets.env.age"
 
@@ -57,7 +56,7 @@ in
     vno1-oh2
   ]
   ++ motiejus
-) [ ]
+) [ "secrets/grafana.jakstys.lt/oidc.age" ]
 // mk ([ fwminex ] ++ motiejus) [
   "secrets/motiejus_server_passwd_hash.age"
   "secrets/root_server_passwd_hash.age"